Speaker



FIG. 1 is a front, right, perspective view of a speaker showing our new design;

FIG. 2 is a rear, left perspective view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a right side elevational view thereof, the left side elevational view being a mirror image; and,

FIG. 7 is a bottom plan view thereof.

The broken lines showing the stand, mounting holes and hardware are for illustrative purpose only and form no part of the claimed design. 

The ornamental design for a speaker, as shown and described. 